Belgium

• Belgian Federal Government's company database - French interface, Belgian Federal Government's company database - Dutch interface
• Belgian Euro DB

Canada

• Alberta - Alberta Government Services
• British Columbia - British Columbia Corporate Registry.
• Manitoba - Manitoba Companies Office
• New Brunswick - New Brunswick Corporate Registry
• Newfoundland and Labrador - Government of Newfoundland and Labrador - Canada
• Nova Scotia - Service Nova Scotia - Registry of Joint Stock Companies
• Ontario - Ontario
• Prince Edward Island - Office of the Attorney General and Public Safety: Corporate/Business Names Registry
• Quebec - Registraire des entreprises Quebec
• Saskatchewan - Corporations Branch, Saskatchewan.

Cook Islands

• Financial Supervisory Commission - Cook Islands Registrar's Office

Cyprus

• Cypriot Department of Registrar of Companies
• Department of the Registrar of Companies and Official Receiver

Czech republic

• Czech business register search
• Czech register of economic entities
• Czech Registers of Economic Subjects

Estonia

• Estonian Centre of Registers
• Baltic Legal Estonia

Finland

• Finnish Trade Register
  Finnish Trade Register
  The Finnish Trade Register provides official information on businesses in the whole country, including data from current and old register entries, articles of association, partnership agreements or rules....
  
   (Kaupparekisteri)
• Finnish Companies Office

France

• Registre du commerce et des sociétés (trade and company register)
• French Greffe du Tribunal de Commerce de Paris
• French INPI

Germany

• German Trade Register
  German Trade Register
  The Trade Register in Germany is a public register that contains details of all tradespeople and legal entities in the district of the registrar The Trade Register in Germany is a public register that contains details of all tradespeople and legal entities in the district of the registrar The...
  
   (Handelsregister)
• German Handelsregister

• https://www.unternehmensregister.de/ureg/search1.8.html;jsessionid=E02A069A2DC0CFF8413AA2509890B6E2.www02-1

Hungary

• Hungarian Ministry of Justice, Companies Registration Office

Ireland

• Companies Registration Office, Ireland
• Irish Companies Registration Office

Italy

• Register of Companies
• Italian InfoCamere

Latvia

• Register of Enterprises, Latvia
• Database of all companies registered in Latvia
• Baltic Legal, Latvia

Malta

• Registry of Companies
• Maltese Registry of Companies

Malaysia

• Malaysia Company Registration licensed company QADKAM
• Malaysia Company Registration Agent
• Suruhanjaya Syarikat Malaysia

Montenegro

• Central Registry of the Commercial Court

Netherlands

• Dutch Chamber of Commerce
• Trade Register

Russian Federation

• State Register of companies - searchable by company name, registration number, etc.

Singapore

• Singaporean Accounting & Corporate Regulating Authority

Slovakia

• Companies Register of the Slovak Republic
• Trade Register of the Slovak Republic

Spain

• REGISTRO MERCANTIL CENTRAL (paid PDF output, requires registration)
• Association of Spanish Property & Commercial Registers

Sweden

• Swedish Companies Registration Office

Ukraine

• State Statistics Committee of Ukraine
  State Statistics Committee of Ukraine
  State Statistics Committee of Ukraine is the government agency responsible for collection and dissemination of statistics in Ukraine. For brevity it also referred to as Derzhkomstat. In 2010 the committee was transformed into the State Service of Statistics under the Ministry of Economic...
  
   ukrstat.gov.ua provides info about all registered business entities (VAT,ZAT,TOV,KO,PO).
• State Committee of Ukraine for Regulatory Policy and Entrepreneurship on all business entities (legal and natural) dkrp.gov.ua.
• Ministry of Justice of Ukraine for law firms, political parties, professional unions.
• National bank of Ukraine
  National Bank of Ukraine
  National Bank of Ukraine is the central bank of Ukraine. Its headquarters building, constructed between 1902 and 1934, is located at no. 9 Institutska St., in Kiev-History:...
  
   for banks.
• Derzhavny komitet finansovykh poslug for credit unions.

United Kingdom

• Companies House
  Companies House
  Companies House is the United Kingdom Registrar of Companies and is an Executive Agency of the United Kingdom Government Department for Business, Innovation and Skills . All forms of companies are incorporated and registered with Companies House and file specific details as required by the...
  
  
• United Kingdom Companies House

• Isle of Man - Isle of Man Financial Supervision Commission
• Jersey - Jersey Financial Services Commission
• Northern Ireland - Northern Ireland Companies Registry

United States

• U.S. Securities and Exchange Commission
• Search for Company Filings

• Alaska - Alaska Division of Occupational Licensing
• Arizona - Arizona Business Services
• Arkansas - Arkansas.gov - The Official for the State of Arkansas
• California - California Secretary of State
• Colorado - Colorado Secretary of State
• Connecticut - State of Connecticut Secretary of the State - Commercial Recording
• Delaware - State of Delaware - Division of Corporations
• District of Columbia - Department of Consumer & Regulatory Affairs
• Georgia - Georgia Secretary of State
• Hawaii - Department of Commerce & Consumer Affairs (DCCA)
• Idaho - Idaho Secretary of State
• Iowa - Iowa Secretary of State
• Kansas - Kansas Secretary of State
• Kentucky - Kentucky Secretary of State
• Louisiana - Louisiana Secretary of State - Commercial Division
• Maine - Maine Secretary of State
• Maryland - Maryland State Department of Assessments and Taxation
• Massachusetts - Massachusetts Corporations Division.
• Michigan - Labor & Economic Growth
• Minnesota - Minnesota Office of the Secretary of State - Business Center.
• Mississippi - Mississippi Secretary of State Business Services
• Missouri - Missouri Secretary of State
• Montana - Montana Secretary of State Business Services
• Nebraska - Nebraska Secretary of State Business Services
• Nevada - Nevada Secretary of State Commercial Recordings Division
• New Jersey - New Jersey Department of Treasury - Division of Revenue, Business Services
• New York - New York State Department of State - Division of Corporations
• North Carolina - North Carolina Secretary of State
• North Dakota - North Dakota Secretary of State Business Services
• Ohio - Ohio Secretary of State
• Oregon - Oregon Secretary of State Corporation Division
• Pennsylvania - Pennsylvania Secretary of State
• Rhode Island - Rhode Island Office of the Secretary of State Corporations Division
• South Dakota - South Dakota Secretary of State Business Services
• Tennessee - Tennessee Department of State Business Services
• Texas - Texas Secretary of State Corporations Section
• Utah - Utah Division of Corporations & Commercial Code
• Virginia - Official Commonwealth of Virginia
• Washington - Washington State Licensing: Business Licensing
• West Virginia - West Virginina Secretary of State
• Wisconsin - Wisconsin Department of Financial Institutions
• Wyoming - Corporate Registrations in the USA

External links

• Company-Registers.info - Full List of Company Registers in European Union